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99% of the atmosphere is nitrogen (78%) and oxygen (21%).

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12y ago
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11y ago

Oxygen and Nitrogen make up approximately 99% of the atmosphere

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13y ago

Nitrogen at 78% and Oxygen at 21%.

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13y ago

Nitrogen and Oxygen

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Q: What two chemical elements make up most of Earth's atmosphere?
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Related questions

What are the primary elements that make up the earths atmosphere?

nitrogen and oxygen


What chemical elements make up the atmosphere of the moon?

The Moon has no atmosphere.


Why can elements be produced in the sun but not in earths atmosphere?

because the sun has some elements & compounds that the earth needs to make elements


What are the 3 most common elements that make up the gases in out earths atmosphere?

These gases are nitrogen, oxygen and argon.


What elements make up most of earths atmosphere?

nitrogen (78,084 %) oxygen (20,946%) and argon (0,9340 %)


What 6 elements make up the earths atmosphere?

Nitrogen, Oxygen, Helium, Argon, traces of Krypton and traces of Xenon


What do earths lightest materials make?

The atmosphere.


Earths lightest materials make up what?

The atmosphere.


What do earths lightest materials make up?

The atmosphere.


Why are the major gases that make up earths atmosphere?

Nitrogen, Oxygen and Argon make up 99% of the atmosphere


Does the earths atmosphere make it impossible to see other stars?

No


How does two elements make a compound?

After a chemical reaction two elements form a chemical compound.